Engage users with Firebase Cloud Messaging

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Can we get tokens for laptops in order to send notifications?

The foreground listener isn't working on my react project, but i see the notifications on devtools, is there any possible reason?

Thank you so much for this. Very informative. My only question is where do you find which scripts should be imported? I have searched everywhere and cannot seem to locate this.

can you show how this works with a PWA?